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vol.34 número3AUTOEFICACIA Y CONFLICTO DECISIONAL FRENTE A LA DISMINUCIÓN DELPESO CORPORAL EN MUJERESPOLIPICA DURANTE EL EMBARAZO: GEOFAGIA ASOCIADA AL CONSUMO DE TIZA Y PAGOFAGIA A LA INGESTA DE JABÓN índice de autoresíndice de materiabúsqueda de artículos
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Revista chilena de nutrición

versión On-line ISSN 0717-7518

Resumen

CORNEJO E, Verónica et al. CLINICAL EVOLUTION OF CHILDREN WITH PHENYLALANINE PLASMA LEVELS BETWEEN 2.1 AND 6.0 MG/DL DURING THE NEONATAL PERIOD. Rev. chil. nutr. [online]. 2007, vol.34, n.3, pp.220-227. ISSN 0717-7518.  http://dx.doi.org/10.4067/S0717-75182007000300005.

Introduction: The American Academy of Pediatric (AAP) has classified Phenylketonuria (PKU) and Hyperphenylalaninaemias (HPhe) according to tolerance of phenylalanine (Phe) intake in: Classic PKU (20 mg Phe/kg/day), moderate PKU (between 21 and 25 mg Phe/kg/day) and mild PKU (between 25 and 50 mg Phe/kg/day), and benign HPhe with normal diet, maintaining blood Phe levels between 2,0 and 10,0 mg/dL. Objective: To evaluate the clinical evolution of 67 children with blood Phe values between 2,1 and 6.0 mg/dl in the neonatal period. Results: Of the total, 29 children were aged between 0 and 2 years, 23 between 2 and 4 years and 15 children were older than 4 years of age. The nutritional state of 45 children was normal, 14 children were overweight or obese, and 8 were at nutritional risk. Four children had Phe intake below 20 mg/kg/day, two children between 21 and 25 mg/kg/day; 15 cases between 26 to 50 mg/kg/day and 46 children were on normal diet. Conclusion: Newborns with blood Phe levels between 2,1 and 6,0 mg/dl in the neonatal period, had a different clinical and nutritional evolution, which could go from the classic PKU to a benign HPhe. Thus, it is recommended to keep a frequent control of plasmatic Phe levels and nutritional monitoring for a minimum of 2 years of follow up

Palabras clave : Phenylketonuria; Hyperphenylalaninaemias; phenylalanine; PKU.

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